Description:
Invalid [who_made]: 'None'
This means you left the who_made column empty.
Invalid [who_made]: 'me'
This means you have entered invalid entries.
For this example, we entered me. Your results will show what you entered.
To learn more about the who_made column visit the Documentation page.
Solution:
To fix these problems enter one of the following valid entries:
i_did
someone_else
collective